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Calconcarboxylic acid

Catalog No. 21260 Name Sigma Aldrich
CAS Number 3737-95-9 Website http://www.sigmaaldrich.com
M. F. C21H14N2O7S Telephone 1-800-521-8956
M. W. 438.41006 Fax
Purity Email
Storage Chembase ID: 104863

SYNONYMS

Title
钙羧酸
IUPAC name
3-hydroxy-4-[2-(2-hydroxy-4-sulfonaphthalen-1-yl)diazen-1-yl]naphthalene-2-carboxylic acid
IUPAC Traditional name
3-hydroxy-4-[2-(2-hydroxy-4-sulfonaphthalen-1-yl)diazen-1-yl]naphthalene-2-carboxylic acid
Synonyms
2-羟基-1-(2-羟基-4-磺基-1-萘偶氮)-3-萘甲酸
Patton 和 Reeder 试剂
Cal-Red®
3-羟基-4-(2-羟基-4-磺基-1-萘偶氮)萘-2-羧酸
2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic acid
3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)naphthalene-2-carboxylic acid
Patton and Reeder’s reagent

DATABASE IDS

EC Number 223-117-0
PubChem SID 24852736
CAS Number 3737-95-9
MDL Number MFCD00004078
Beilstein Number 727492

PROPERTIES

Empirical Formula (Hill Notation) C21H14N2O7S
Grade for complexometry
Grade indicator for complexometry (Ca det., Mg detection)
Impurities ≤7% water
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P261-P305 + P351 + P338
Risk Statements 36/37/38
Safety Statements 26-36
German water hazard class 3

DETAILS

Description (English)
General description
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Other Notes
Indicator used for the complexometric determination of Ca in the presence of Mg and other metals1,2
Legal Information
Cal-Red is a registered trademark of Sigma-Aldrich Co. LLC
Description (简体中文)
General description
请访问 滴定中心 了解更多信息。
Other Notes
Indicator used for the complexometric determination of Ca in the presence of Mg and other metals1,2
法律信息
Cal-Red 注册商标 Sigma-Aldrich Co. LLC

REFERENCES